diff --git a/packages/interaction/auto-review/src/index.ts b/packages/interaction/auto-review/src/index.ts
index b3b6ca597e..906d41c188 100644
--- a/packages/interaction/auto-review/src/index.ts
+++ b/packages/interaction/auto-review/src/index.ts
@@ -544,7 +544,7 @@ async function readDecision(stream: AsyncIterable<StreamChunk>): Promise<AutoRev
   return parseDecision(final.text)
 }
 
-/** Private fixed-LLM risk-classifier seam for one frozen pending action. */
+/** Private deterministic fixed-LLM risk-classifier seam for one frozen pending action. */
 async function classifyRisk(
   ctx: Context,
   agent: Agent,
@@ -560,6 +560,7 @@ async function classifyRisk(
       content: [{ type: 'text', text: reviewUserText(snapshot) }],
       source: { kind: 'plugin', plugin: 'dsh-auto-review' },
     })],
+    temperature: 0,
     signal,
   })
   return readDecision(ctx.llm.stream(options))
diff --git a/packages/interaction/auto-review/tests/auto-review.spec.ts b/packages/interaction/auto-review/tests/auto-review.spec.ts
index 7ce1223321..19758f241f 100644
--- a/packages/interaction/auto-review/tests/auto-review.spec.ts
+++ b/packages/interaction/auto-review/tests/auto-review.spec.ts
@@ -384,6 +384,7 @@ describe('native review request', () => {
       provider: 'review',
       model: 'same-model',
       system: EXPECTED_REVIEW_POLICY,
+      temperature: 0,
     })
     expect(request).not.toHaveProperty('sessionId')
     expect(request.maxTokens).toBeUndefined()